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首页> 外文期刊>The Science of the Total Environment >Multidimensional relationships of herbicides with insect-crop food webs
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Multidimensional relationships of herbicides with insect-crop food webs

机译:除草剂与昆虫农作物食物网的多维关系

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摘要

Controlling weeds is critical for improving the yield and quality of crops. Herbicides are the most commonly applied pesticides in agro-ecosystems. Herbicides affect insects directly as contact damage and indirectly by influencing food supplies. The innate susceptibility, life stages, and mode of feeding of insects can affect the herbicide-insect interaction. Interaction of herbicides with insect pest and beneficial insects is mainly indirect and absence of weeds either can reduce the insect population or causes switching of host plant and hence can also increase the population. The direct effect of herbicides depends on carrier or surfactant used. Presence of herbicides also provides surfactant to insecticides and increases impact of insecticides. At present, most reports on impact of herbicides indicate alterations in insect survival or egg production due to increase or decrease in host plant population as an indirect affect, only a handful studies reported a direct topical effect of these herbicides on egg, larvaeymphs and adults of various insects. Further exploration of this interaction seems intriguing. Use of bio-herbicides, cultural control methods, and judicious use of herbicides could offer ecologically sustainable approaches to reduce impact of herbicides on insects. (C) 2018 Elsevier B.V. All rights reserved.
机译:控制杂草对于提高农作物的产量和质量至关重要。除草剂是农业生态系统中最常用的农药。除草剂通过接触破坏直接影响昆虫,并通过影响食物供应而间接影响昆虫。昆虫固有的易感性,生命阶段和摄食方式会影响除草剂与昆虫的相互作用。除草剂与害虫和有益昆虫之间的相互作用主要是间接的,而杂草的缺乏既可以减少昆虫的数量,也可以引起寄主植物的转换,因此也可以增加种群。除草剂的直接作用取决于所使用的载体或表面活性剂。除草剂的存在还为杀虫剂提供了表面活性剂,并增加了杀虫剂的影响。目前,大多数关于除草剂影响的报告表明,由于寄主植物种群的增加或减少,昆虫存活或产卵量的变化是间接影响,只有少数研究报道了这些除草剂对鸡蛋,幼虫/若虫和昆虫的直接局部作用。各种昆虫的成虫。对这种相互作用的进一步探索似乎很有趣。生物除草剂的使用,文化控制方法以及除草剂的合理使用可以提供生态上可持续的方法,以减少除草剂对昆虫的影响。 (C)2018 Elsevier B.V.保留所有权利。

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